Engine Backfires; Engine Pings Or Knocks - Polaris RZR XP TURBO S 2019 Owner's Manual For Maintenance And Safety

TROUBLESHOOTING

ENGINE BACKFIRES

POSSIBLE CAUSE
Out of fuel
Weak spark from spark plug
Incorrect spark plug gap or heat
range
Old or non-recommended fuel
Incorrectly installed spark plug wires
Incorrect ignition timing
Loose ignition connections
Water present in fuel
Exhaust leak
Mechanical failure

ENGINE PINGS OR KNOCKS

POSSIBLE CAUSE
Poor quality or low octane fuel
Incorrect ignition timing
Incorrect spark plug gap or heat
range
198
SOLUTION
Refuel
Inspect, clean and/or replace spark
plugs
Set gap to specs or replace plugs
Replace with fresh recommended
fuel
Your POLARIS dealer or other
qualified person can assist.
Your POLARIS dealer or other
qualified person can assist.
Check all connections and tighten
Replace with fresh recommended
fuel
Check all connections
Your POLARIS dealer or other
qualified person can assist.
SOLUTION
Replace with recommended fuel
Your POLARIS dealer or other
qualified person can assist.
Set gap to specs or replace plugs